22212022123111 has 16 divisors (see below), whose sum is σ = 23119941795840. Its totient is φ = 21316224263040.

The previous prime is 22212022123087. The next prime is 22212022123117. The reversal of 22212022123111 is 11132122021222.

It is a cyclic number.

It is not a de Polignac number, because 22212022123111 - 2²³ = 22212013734503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212022123117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7056870 + ... + 9706876.

It is an arithmetic number, because the mean of its divisors is an integer number (1444996362240).

Almost surely, 2^{22212022123111} is an apocalyptic number.

22212022123111 is a deficient number, since it is larger than the sum of its proper divisors (907919672729).

22212022123111 is a wasteful number, since it uses less digits than its factorization.

22212022123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652294.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22212022123111 its reverse (11132122021222), we get a palindrome (33344144144333).

The spelling of 22212022123111 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, one hundred twenty-three thousand, one hundred eleven".